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47 lines
1.5 KiB
Nix
47 lines
1.5 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (config.networking) domain;
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domainZoneFile = ./config/coredns/${domain}.zone;
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domainZoneFile' = "/etc/coredns/zones/${domain}.zone";
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dnsDomainName = "ns1.${domain}";
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corednsServiceName = "coredns";
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in
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{
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# Generating a certificate for the DNS-over-TLS feature.
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security.acme.certs."${dnsDomainName}".postRun = ''
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systemctl restart ${corednsServiceName}.service
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'';
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services.coredns.config = ''
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tls://. {
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tls {$CREDENTIALS_DIRECTORY}/cert.pem {$CREDENTIALS_DIRECTORY}/key.pem {$CREDENTIALS_DIRECTORY}/fullchain.pem
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forward . /etc/resolv.conf
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}
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'';
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systemd.services.${corednsServiceName} = {
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requires = [ "acme-finished-${dnsDomainName}.target" ];
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preStart =
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let
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secretsPath = path: config.sops.secrets."plover/${path}".path;
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replaceSecretBin = "${lib.getBin pkgs.replace-secret}/bin/replace-secret";
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in
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lib.mkBefore ''
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install -Dm0644 ${domainZoneFile} ${domainZoneFile'}
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${replaceSecretBin} '#mailboxSecurityKey#' '${secretsPath "dns/${domain}/mailbox-security-key"}' '${domainZoneFile'}'
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${replaceSecretBin} '#mailboxSecurityKeyRecord#' '${secretsPath "dns/${domain}/mailbox-security-key-record"}' '${domainZoneFile'}'
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'';
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serviceConfig.LoadCredential = let
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certDirectory = config.security.acme.certs."${dnsDomainName}".directory;
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in
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[
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"cert.pem:${certDirectory}/cert.pem"
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"key.pem:${certDirectory}/key.pem"
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"fullchain.pem:${certDirectory}/fullchain.pem"
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];
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};
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}
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